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Finding the Fourth Proportional to 10,968.50, 15,136.54 and 6,000.50

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Solution

The fourth proportional to 10,968.50, 15,136.54 and 6,000.50 is: 8,280.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.50 : 15,136.54 = 6,000.50 : x
  2. Step 2: Convert to fraction form
    10,968.50/15,136.54 = 6,000.50/x
  3. Step 3: Cross multiply
    10,968.50x = 15,136.54 × 6,000.50
  4. Step 4: Simplify right side
    10,968.50x = 90,826,808.27
  5. Step 5: Solve for x
    x = 90,826,808.27/10,968.50
  6. Step 6: Final answer
    x = 8,280.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.